<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue.js"></script>

</head>

<body>
    <div id="root">
        <h2>人员列表</h2>
        <button @click="updateMei">更新马</button>
        <ul>
            <li v-for="(p,index) in persons" :key="index">
                {{p.name}} - {{p.age}}
            </li>
        </ul>
    </div>

</body>

</html>
<script>

    //用计算属性实现
    new Vue({
        el: '#root',
        data: {
            keyword: '',
            persons: [
                { id: '001', name: '马冬梅', age: 18, sex: '男' },
                { id: '002', name: '周冬雨', age: 19, sex: '男' },
                { id: '003', name: '周杰伦', age: 20, sex: '男' },
                { id: '003', name: '温兆伦', age: 21, sex: '男' },
            ],
        },
        methods: {
            updateMei() {
                this.persons[0] = { id: '003', name: '周杰伦', age: 20, sex: '男' }
            }
        }
    })

</script>